Skip Talbot wrote:
> By give some data... do you mean that you want the background image to 
> show up for the entire render dimensions, despite having POV-Ray 
> actually only render a smaller section of those dimensions?  If so, I 
> don't think that's possible except by rendering in two passes and 
> combining the images.   That's probably not of use to you though since 
> I'd imagine you'd use that for quick test renders.

The problem is that if I set a start row, the resulting png is corrupt. 
So I figured if there was a command-line, I could set it a blank png and 
have it render the image over that.

On the other hand, I might want to just re-render a small portion of a 
picture in which case I'd use the previous full-render as the background 
and still end up with a proper png afterwards.

Now I'm probably missing something or going about things the wrong way, 
but being able to start at some arbitrary row, I feel cheated that I 
can't open the resulting file :)

Cheers!
Rick Measham

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